Home / 452,634.02-678,054.34-310,129.10

Finding the Fourth Proportional to 452,634.02, 678,054.34 and 310,129.10

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Solution

The fourth proportional to 452,634.02, 678,054.34 and 310,129.10 is: 464,579.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,634.02 : 678,054.34 = 310,129.10 : x
  2. Step 2: Convert to fraction form
    452,634.02/678,054.34 = 310,129.10/x
  3. Step 3: Cross multiply
    452,634.02x = 678,054.34 × 310,129.10
  4. Step 4: Simplify right side
    452,634.02x = 210,284,382,215.29
  5. Step 5: Solve for x
    x = 210,284,382,215.29/452,634.02
  6. Step 6: Final answer
    x = 464,579.27

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.